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36b7b3c0fa
This patch changes isFPImmLegal to return if the value can be enconded as the immediate operand of a logical instruction besides checking if for immediate field for fmov. This optimizes some floating point materization, inclusive values used on isinf lowering. Reviewed By: rengolin, efriedma, evandro Differential Revision: https://reviews.llvm.org/D57044 llvm-svn: 352866
25 lines
920 B
LLVM
25 lines
920 B
LLVM
; RUN: llc < %s -mtriple=aarch64-win32-msvc | FileCheck %s
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; RUN: llc < %s -mtriple=aarch64-win32-gnu | FileCheck -check-prefix=MINGW %s
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define double @double() {
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ret double 0x0000000000800001
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}
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; CHECK: .globl __real@0000000000800001
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; CHECK-NEXT: .section .rdata,"dr",discard,__real@0000000000800001
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; CHECK-NEXT: .p2align 3
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; CHECK-NEXT: __real@0000000000800001:
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; CHECK-NEXT: .xword 8388609
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; CHECK: double:
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; CHECK: adrp x8, __real@0000000000800001
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; CHECK-NEXT: ldr d0, [x8, __real@0000000000800001]
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; CHECK-NEXT: ret
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; MINGW: .section .rdata,"dr"
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; MINGW-NEXT: .p2align 3
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; MINGW-NEXT: [[LABEL:\.LC.*]]:
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; MINGW-NEXT: .xword 8388609
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; MINGW: double:
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; MINGW: adrp x8, [[LABEL]]
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; MINGW-NEXT: ldr d0, [x8, [[LABEL]]]
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; MINGW-NEXT: ret
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